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Definition df-bj-pinfty 33107
Description: Definition of pinfty. (Contributed by BJ, 27-Jun-2019.)
Assertion
Ref Expression
df-bj-pinfty |- pinfty = (inftyexpi ` 0 )
Detailed syntax breakdown of Definition df-bj-pinfty
StepHypRef Expression
1 cpinfty 33106 . 2 class pinfty
2 cc0 9936 . . 3 class 0
3 cinftyexpi 33093 . . 3 class inftyexpi
42, 3cfv 5888 . 2 class (inftyexpi ` 0 )
51, 4wceq 1483 1 wff pinfty = (inftyexpi ` 0 )
Colors of variables: wff setvar class
This definition is referenced by:  bj-pinftyccb  33108  bj-pinftynrr  33109  bj-pinftynminfty  33114
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